1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 A small-to medium-capacity dehumidifier (11-25 pints) for a living room can run around $100-$250 or more, depending on size and features such as a humidistat to set the desired humidity, auto-shut-off when the tank's full, energy efficiency and quiet operation.
How to Choose the Size of a Dehumidifier. Dehumidifiers are appliances that can be placed within rooms in a home to remove excess moisture from the air. When you choose a dehumidifier, selecting the right size is crucial to how effective the performance of your dehumidifier will be for that room or area. For example, large basements with high humidity levels may require large or multiple dehumidifiers; whereas smaller bathrooms may only require one small dehumidifier. Continue reading to learn how to choose a dehumidifier based on your needs.